At certain times but not at others, for example, they are capable of passing the eyeblink test.

例如， 只在一定时间而在其他时间不出现的对眨眼反射作出的反映。

youdao

First, two of the biggest impacts in history happened within 300, 000 years of each other—a geological eyeblink.

首先，历史上的两次最大的撞击发生时间相距不到30万年——这是一个地质盲区。

youdao

At certain times but not at others, for example, they are capable of passing the eyeblink test.

ECONOMIST: Diagnosing comas